/* regcomp.h
+ *
+ * Copyright (c) 1997-2002, Larry Wall
+ *
+ * You may distribute under the terms of either the GNU General Public
+ * License or the Artistic License, as specified in the README file.
+ *
*/
typedef OP OP_4tree; /* Will be redefined later. */
* n - Root of op tree for (?{EVAL}) item
* o - Start op for (?{EVAL}) item
* p - Pad for (?{EVAL} item
- * s - swash for unicode-style character class
+ * s - swash for unicode-style character class, and the multicharacter
+ * strings resulting from casefolding the single-character entries
+ * in the character class
* 20010712 mjd@plover.com
* (Remember to update re_dup() and pregfree() if you add any items.)
*/